McIntosh XRT20 Classic Modular Array Speaker System

For a conservative company like McIntosh, the concept of the XRT20 speaker system was very radical. The size, shape and two piece construction was very different from the traditional designs of earlier McIntosh systems. However, the XRT20 upheld the McIntosh tradition of excellence and performance. It fulfilled several fundamental requirements. 

The XRT20 is a legendary vintage loudspeaker system introduced in 1979 and produced until 1985. Designed by Roger Russell, it is famous for pioneering a distinct two-element "line array" high-frequency column paired with a separate low-frequency bass cabinet.Design and ComponentsHigh-Frequency Column: Features 24 custom-designed 1-inch soft dome tweeters arranged vertically in a metal column, which earned a specialized patent for reducing floor and ceiling reflections.Bass Cabinet: A separate enclosure housing one 8-inch mid-range driver and two 12-inch woofers designed to isolate low-frequency vibrations from the tweeter array. Conservatively rated around 240 to 250+ watts for high frequencies, capable of handling heavy dynamic peaks when paired with robust amplification. Engineered to project an open, life-size, and wide sound stage with consistent vertical dispersion whether sitting or standing. Won prestigious accolades, including the Grand Prix Award in Japan in 1982, and laid the architectural groundwork for future McIntosh XRT-series line array speakers.

Design: A two-element layout featuring a separate bass cabinet (two 12" woofers and an 8" midrange) paired with a vertical line-array column holding 24 soft-dome tweeters per channel

Response: 20Hz to 20,000Hz
Power rating: 300 watts continuous, (500 watt occasional peak)
Output sensitivity: 89dB/watt/meter re: 8 ohms
Impedance: 8 ohms
Woofers: two 12" McIntosh
Mid-range: one 8" McIntosh
Tweeters: twenty four 1" custom soft domes
Crossover frequencies: 250Hz and 1500Hz
Overload protection: main and high frequency fuses
Finish: walnut
Dimensions: Bass section: 39-1/4" high, 25-1/2" wide and 12-11/16" deep
Dimensions: Tweeter column: 77-1/8" high, 10-3/4" wide and 1-13/16" deep
Weight: Bass cabinet and tweeter column 159 lb.
Sold from 1979 to 1985
Last retail price: $6600.00 /pair

McIntosh XRT20 Modular Array Speaker System: $2,500.00 plus shipping and sales tax when applicable